This is the 411th most frequent Arabic word.
بدء
Start; beginning.
The word "بدأ" (badaʾa) is used here as a past tense verb meaning "began," referring to the start of the summer season.
بدأ الصيف بأيام مشمسة.
The summer began with sunny days.
The word "بدء" (badʾ) is used here as a noun, referring to the commencement or start of an activity, in this case, a new job.
عند بدء العمل الجديد، كنت متحمسًا كثيرًا.
At the beginning of the new job, I was very enthusiastic.
The word "بدء" (badʾ) is used here as a gerund, referring to the action of starting, and it depicts an event planned to take place in the future.